Bloodsuckers - Bats, Bugs, and Other Bloodthirsty Creatures by:Wendy的音频 2141 How To by:Lucy老师爱分享 971 How to by:Alex625 97 How To by:One5640856095 597 How to Speak How to Liste by:Megan_Bi 572 How Thoughtful-QuESt by:嘻哈有态度 2369 how google works by:下班后泡英文 1.9万 How...
Many of us may know that bats(蝙蝠) can't see. Do you know how bats1 their way? In fact, bats "see" 2 their ears. Most bats make a sound when they 3 around. And the echoes(回声) of the sound come back to their4. In this way, they find their way. Bats go out in the...
B. The sound. C. The food. D. The bat.( D )3. According to the passage, what do bats eat? A. Meat. B. Plants. C. Fruit. D. Insects.( c )4. Which of the following is the correct process about how the bat flies?① The sound hits things and then it comes back.② The ...
Bats, for example, use ultrasonic echolocation to navigate and hunt in the dark, while avoiding detection. How do deaf animals communicate? Deaf animals use alternative forms of communication, such as visual signals (body language, facial expressions, and movements), chemical signals (pheromones), ...
This is the basic principle of echolocation. Bats make sounds the same way we do, by moving air past their vibrating vocal chords. Some bats emit the sounds from their mouth, which they hold open as they fly. Others emit sound through their nose. It's not fully understood how the bat'...
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The sound.C. The food.D. The bat.( )3. According to the passage, what do bats eat?A. Meat.B. Plants.C. Fruit.D. Insects.( )4. Which of the following is the correct process about how the bat flies?① The sound hits things and then it comes back.② The bat flies in the ...
3.According to the passage,what do bats eat? A.Meat.B.Plants.C.Fruit.D.Insects.4.Which of the following is the correct process about how the bat flies? ① The sound hits things and then it comes back. ② The bat flies in the air and makes a very high sound. ③ The bat knows ...
Bats hear using . Describe how a wave is different from a pulse. If a tree falls in a forest, and no one is around to hear it, how do you know that a tree fell? Explain beats. Why are clockwise and counterclockwise referred to as "senses," rather than directions?
How do bats use their ears to catch insects? Why isn't the eardrum flat? How can humans reduce noise pollution? How do vibration affect membranes and thin plates? Why does the speed of sound decrease with higher densities and increase with higher temperatures?